/Engine/Source/Runtime/Engine/Public/AudioStreaming.h
Checks whether the requested chunk indices differ from those loaded
Whether any changes to loaded chunks are required
bool HasPendingRequests ( [TArray](API\Runtime\Core\Containers\TArray)< uint32 > & IndicesToLoad, [TArray](API\Runtime\Core\Containers\TArray)< uint32 > & IndicesToFree ) const